Card index



Ang. l, 1925.

R. c. RUSSELL GARD INDEX Filed Oct. 29. 1924 f :unnunnl VIII i PatentedAug. 4, 1925.'

i Unirse srnfrss lsiazli PATENT' orifice.

ROBERT o. Russert,` or rrrrsunem PENSYLVANIA.

CARD INDEX.

Application filed ctober29, 1924.V Serial No. '746,635.-

T 0 all wlw/m, it may concern. Be it known that I` ROBERT C. RUSSELL: a

citizen of the United States, and a resident of Pittsburgh, in thecounty ofAllegh/enyand State of Pennsylvania, have invented certain newand useful Improvements inV Card Indexes; and I do hereby declare thefollowing to be a full7 clear,. and exactl dcscription of the invention,such as will enable others skilled in the art to which it appertainstomake' and use the'same.

This invention relates to improvements ,in indexes and more particularlyto Vsuch as are known as visible indexes,-.one object of i the presentinvention being to so construct a.

visible index that the index elements shall be supported one by anotherin such definite relation to each other that the exposed portions of theelements which contain the index data shall be uniform in dimensions,and so ythat the index elements may be readily as` sembled and moved orremoved but so that they will be normally retained in proper relation toeach other. v

With this and other objects in View, the invention consists in certainnovel features of construction'as hereinafter set forth and pointed outin the claims. f In the accompanying drawings,-'

Figure l is a face view illustrating an embodirnent of my invention.

Figure 2 is a rear view in perspective of one of the indexv elements.

Figure 3 is a rear faceview showing a plurality of index elements.

Figure 4 is a view in section on the line 4-4 of Figure 1.

Figure 5 is a rear view in perspective illustrating a modification, and

' Figure 6 is a rearface view showing a plurality of index elements ofthe modified vided inwardly of its respective ends with approximatelyinverted V-shaped tonguesv7 out from the material of the card or elementand bent upwardly adjacent to the rear face of the latter so as to fornipockets. The material is somewliatrounded at the junctures of thetongues7 with the bodyportion ofthe card or element 2 as shown at 8,.Figure 4, and said tongues will have such silience or spring action asto make sufficient p f I rrictional 'engagement with the base 5 or heholder l as to hold the index elements in proper position when their endportions are engaged in the guide-ways 6 of the holder. l/Vhen thetongues 7 shall have Abeen struck from the material of the card ,andbent upwardly7 approximately horizontal tongues 9 will be formedinwardly from respective ends of the card or element. 'The tongues 9 ofeach'pair project toward each otherand their adjacent ends arepreferably rounded. Between the inner ends of the inner tongues of eachpain a depending flange 10 is pro-fr vided and the ends of this flangeare beveled. and form shoulders ll. 'Y Y It will be observed that eachindex element is provided with a. pair of approxi-` mately horizontaltongues inwardly removed from each end of the element and that each pairof tongues 9 are disposed below a pocket formed by one of the upturnedspring tongues 7 ,-thepairs vof tongues 9 being thus located below thepockets formed `by the tongues 7. In order to facilitate the assemblingof the index elements without annoyingconflict with each other, the endportions of each element may be beveled as at 12. In assembling theindexelements the pairs of tongues 9 of one element will become seatedin the pockets formedA by the upturned tongues 7 of an adjacent elementso that the exposed portions of the several index elements will beuniformV in proportions the beveled ends of the flanges l() willfacilitatethe guiding of the index elements to proper positions duringthe act of assembling and the shoulders l1 formed by the beveled ends offlanges 10 vof one element will becomeA disposed between' the tongues 7of an adjacent element and thus prevent lateral displacement of theelements relatively to each other. Y

In the form of the invention shown in Figures 5 and 6, each indexelement is prow vided with a single inwardly projecting tongue 9a beyondrespective sides of thev center of the element and the spring tongues 7a are beveled at their outer end portions only.

Having fully described my invention what l claim as new and desire tosecure by Letters-Patent, is:

l. In 'an index, an index element provided between its center and eaeliend with pockets adjacent its rear face and with inwardly projecting,approximately horizontal tongues below the respective pockets andadapted to enter similar pockets on an adjacent index element.

2. ln an index, the combination with a holder having guide-ways, of aplurality of index elements adapted at their ends to enter saidguide-ways, each index element having a plurality of upturned tonguesadjacent its rear face and each index element having an inwardlyprojecting7 approximately horizontal tongue below each pocket formed bythe upturned tongues and adapted to enter similar pockets in adjacentindex element.

3. In an index, the combination with a holder provided at its sides withguideways, of a plurality of index elements, each having upturned springtongues adapted to frictionally engage the holder at points between thesaid guide-ways and to form pockets, and each index element havingtonguesbelow such pockets and adapted to enter similar pockets on an adjaeent index element.

4. In an index, an index element provided between its center and eachend with approximaely inverted tl-shaped upturned tongues formingpockets adjacent'its rear face and with pairs o1c approximatelyhorizontal tongues below said pockets7 the tongues of each pairprojecting` towards each other and adapted to enter pockets of anadjacent index element.

In testimony whereof, l have signed this specification in the presenceof two subscribing witnesses.

ROBERT C. RUSSELL Witnesses JAMES S. ATKINSON, EMMA M. VVALLISCH.

